Rubber-tire protector.



No. 333,535. l PTENTBD AUG. 13, 1907. J. HIPPISLBY.

RUBBER TIRE PROTECTOR. APPLIOATIONIILED 133.12.15, 1.903.

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UNITED `STATES PATENT OFFICE.

`IAMES HIPIISLEY, OF BOSTON, MASSACHUSETTS, ASSIGNOR. OF FORTY-FIVEDN HUNDREDTHS TO ALBERT E. PENNEY, OF CARBONEAR, NEWFOUNDLAND.

RUBBER-TIRE PROTECTOR.

Specicatlon of Letters Patent.

Patented Aug. 13, 1907.

.Application filed March 15,1906.- Serial No. 306.285.

-the King of Great Britain, residing at Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useiul Improvements in Rubber-Tire Protectors; and I do declare the following to be a full, clear, and exact description ofthe invention, such as will enable others skilled in the art to which appertains to make and use the same.

- This invention relates to protectors for rubber tires, such as are used on cycles, automobiles and other vehicles; and one of the principal objects oi the same is to Q provide means to prevent the tirevfrom being punctured and also to prevent skidding or slipping of the I tire on the surface of the ground. Another object is to provide a device of this character whichl'fshall be simple in construction, ecient in operation and which can be'easily attached to the tire and rim oi'a wheel.

These and other objects are. attained by means ofthe construction illustrated in the accompanying drawings,

in which:

Figure l is a perspective view of a section oi'a tire rim and` my protector shown thereon ;l Fig. 2 is a transverse sectional view through the tire, the protector, and the arr-ns for holding the protector in position upon the tire; Fig. 3 is a sectional viewiof a tire having a at bearing surface upon which my protector may be secured; and Fig. 4 is aisectional view of a modified form of protector. Referring to the drawings for a more particular description of my invention, l designates the rim, which maybe of the usual or any preferred construction; and 2 are the spokes. 4The tire 3 may be round and of the pneumatic type or may be solid and of the form in cross section shown in Fig. 3.

The protector consists of a sheath 4 constructed of'a sheet metal strip bent into substantially semi-circular form in cross section to bear upon the tire, and a bearing plate or tread 4, which may be of various contours in cross section, but which preferably is provided with outwardly extending edges 5 and a slightly convex ini termediate portion1 6, the purpose of which is to give an edge bearing upon the ground when the central convex portion has become depressed by the weight upon it,

thus preventing skid ding or slipping of the wheel upon the ground. 7

The arms 7 extending. from the lower edge of the sheath are passed through slots or apertures 8 in the rim ofthe wheel and are then bent upward or curved to retain the sheath in place; the arms, however, being permitted to move freely within the apertures in the rim.

At the sides of the sheath lugs 10 are cut from the body of the metal and extend above the lower edges of thetread. The purpose of these lugs is to give greater strength and stability at/tlle edges of the tread and to secure a better holdlupon the surface ofthe ground. A

treadsurface or strip l2 is secured to the tread proper by any suitable means. /This tread strip may be made of rubber, leather or other suitable material and may be secured in any desirable manner to the tread.

In the modified form shown in Fig. 4f, the sheath and tread are formed in a single piece, the downwardly bent ed'ge a of the tread being formed of two thicknesses of metal, and a piece of'felt or other material, b, is interposed between the tread and the tire to prevent dirt, gravel or other foreign substances from interfering with the operation of the device'.

From the foregoing, itwill be obvious that my tire protector serves toprevent the punctnring of tires; obviates the accidental displacement of the tire from the rim; and gives a better hold upon the ground to prevent departing from the principle or sacrificing any of the advantages of this invention, as defined by the -appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters-Patent,l is

1. A protector for vehicle tires comprising a sheath pro- .vided with rim-engaging arms'and with lateral 1ugs;and

a tread having its margins arranged ro engage the lugs.

2. A protector for vehicle tires comprising a sheath provided 'with hooked rim-.engaging arms and with lateral obIiquely-disposed lugs, and a treadhavingits margins arranged to engage the lugs. v

3. A protector for vehicle tires comprising a sheath prol vided with hooked rim-engaging arms and with lateral obIiquely-disposed lugs, and a 'tread having outwardlyextending marginsnrranged 4to engage the lugs.

4. A protector' for' vehicle tires comprising a sheath and a tread constructed of a single piece of metal, the sheath being provided with hooked rim-engaging arms and with lateral lugs to be engaged by the margins of the tread.

In` testimony whereof I. 11ave hereunto set my hand in presence of two subscribing witnesses.

JAMES HIPPISLEY.

Witnesses:

EDNA M. Cnossnnr, W. HoL'r Arena. 

